Web content cache configuration

Overview

Caching options for IBM Lotus Web Content Management are defined in...

PROFILE_HOME/PortalServer/wcm/shared/app/config/wcmservices/WCMConfigService.properties

Web content caching environment properties...

• connect.businesslogic.defaultcache
• connect.moduleconfig.ajpe.contentcache.defaultcontentcache

Parameter	defaultcache	defaultcontentcache
No caching	False	None
Basic cache	True	N.A.
Site caching	False	Site
Session caching	False	Session
User caching	False	User
Secured caching	False	Secured
Personalized caching	False	Personalized




Additional default Web content cache parameters

Web content cache configuration settings are specified by the following properties in WCMConfigService.properties.

Table 2. Cache properties per cache type

Cache Type	Properties
Basic cache	connect.businesslogic.defaultcacheexpires connect.businesslogic.defaultcache
Advanced cache: All	connect.moduleconfig.ajpe.contentcache.defaultcontentcache connect.moduleconfig.ajpe.contentcache.contentcacheexpires
Advanced cache: Session cache only	connect.sessioncacheconfig.memcachesize

Cache Property	Details
contentcacheexpires	This sets the default expiry for all advanced caches. It can be either a relative period or an absolute date and time.
defaultcache	If true, basic caching is enabled. If false or missing, advanced caching is enabled.
defaultcacheexpires	This sets the default expiry for the basic cache. It can be either a relative period or an absolute date and time.
defaultcontentcache	If the advanced cache is enabled, the default advanced cache is set here.
resourceserver.browserCacheMaxAge	This is used to define the maximum time an item will be stored in a Web browser cache.
resourceserver.maxCacheObjectSize	This is used to define the maximum size of objects that can be cached in kilobytes. By default this is set to 300.




Cache expire time formats

When setting the cache expire settings listed above, you can specify either a relative time, or absolute time:

• REL {integer-value}{units}

• ABS {date-format-string}

{units} =

• d|D for days

• m|M for months

• s|S for seconds

• h|H for hours

{date-format-string} =

• Mon, 06 Nov 2000 09:00:00 GMT

• Monday, 06-Nov-00 09:00:00 GMT

• Mon Nov 6 09:00:00 2000

• 6 Nov 2000 9:00 AM

The last two formats assume GMT. Examples:

• contentcacheexpires="REL 300S"

• contentcacheexpires="ABS Mon, 06 Nov 2000 09:00:00 GMT"




Parent topic:

Configure a Web content delivery environment

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